Home / 11,518.61-17,277.30-3,726.81

Finding the Fourth Proportional to 11,518.61, 17,277.30 and 3,726.81

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Solution

The fourth proportional to 11,518.61, 17,277.30 and 3,726.81 is: 5,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.61 : 17,277.30 = 3,726.81 : x
  2. Step 2: Convert to fraction form
    11,518.61/17,277.30 = 3,726.81/x
  3. Step 3: Cross multiply
    11,518.61x = 17,277.30 × 3,726.81
  4. Step 4: Simplify right side
    11,518.61x = 64,389,214.41
  5. Step 5: Solve for x
    x = 64,389,214.41/11,518.61
  6. Step 6: Final answer
    x = 5,590.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.